2003 Alfa Romeo 166 vs. 2005 Opel Corsa
To start off, 2005 Opel Corsa is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 2,387 cc (5 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (172 HP @ 4000 RPM) has 49 more horse power than 2005 Opel Corsa. (123 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2005 Opel Corsa. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 505 kg more than 2005 Opel Corsa. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2003 Alfa Romeo 166 (385 Nm @ 2000 RPM) has 220 more torque (in Nm) than 2005 Opel Corsa. (165 Nm @ 4600 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Corsa.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2005 Opel Corsa | |
| Make | Alfa Romeo | Opel |
| Model | 166 | Corsa |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1796 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 172 HP | 123 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 385 Nm | 165 Nm |
| Torque RPM | 2000 RPM | 4600 RPM |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 8.9 seconds | 9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1615 kg | 1110 kg |
| Vehicle Length | 4730 mm | 3820 mm |
| Vehicle Width | 1810 mm | 1650 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Consumption Overall | 7.2 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 72 L | 44 L |
